Accumulator



FIG. 1 is a perspective view of an accumulator showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top plan view of an alternative embodiment of an accumulator showing my new design, with the view of the accumulator of FIG. 8 being similar to the view of the accumulator of FIG. 6, and further with the accumulator of FIG. 8 being configured similarly to the accumulator of FIG. 6.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an accumulator, as shown and described. 